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Carmel River Will Be Diverted Around San Clemente Dam

Publication Date: 12/29/2010
Author: JT Long
Format: HTML

The California Coastal Conservancy reached agreement in December to bypass an obsolete dam on California’s Carmel River rather than dredging and buttressing the 90-year-old structure. The $84-million reroute and dam removal project will divert the river around the 106-ft high concrete arch San Clemente Dam built in 1921. The basin has since been swamped with 2.5 million cu yds of sediment, thereby reducing storage capacity from 1,425 acre-ft to 125 acre-ft. In 1992, the California Dept. of Water Resources Division of the Safety of Dams issued a safety order because of possible failure from a maximum flood event or an earthquake.

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